Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 8 - Potential Energy and Conservation of Energy - Problems: 6b

Answer

Work= .112896 Joules

Work Step by Step

Work= Force$\div$Displacement Gravity acts downwards so only vertical displacement is take into calculations. ---$F{g}$=.032kg$\times$9.8m/$s^{2}$ $F{g}$=.3136 N Displacement= h- 2R h=5R r=.12 meters h=.12 meters $\times$5= .6 meters Displacement= .60 m -.24 m= .36 meters Work= .3136 N$\times$.36 meters Work=.112896 Joules
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